Arc-shaped edge trimmer for backlight part

Abstract

The utility model relates to the technical field of backlight part trimming equipment, in particular to an arc-shaped edge trimmer for a backlight part. Arc-shaped trimming treatment on the backlight part is achieved through mechanical equipment, the manual operation amount is reduced, and the treatment efficiency is improved; comprising a frame body which is a rectangular frame. The edge grinding mechanisms are symmetrically arranged on the two sides of the frame body; the edge grinding mechanism comprises a plurality of rotating wheels rotationally installed on the frame body and a grinding belt arranged on the rotating wheels in a sleeving mode, and an arc-shaped concave part is arranged on the grinding belt; a driving motor for providing power for rotation of one group of rotating wheels is mounted on the frame body; the push frame is mounted on the frame body in a sliding manner; the pushing frame is used for pushing the backlight part to be fed between the two edge grinding mechanisms; a feeding frame is slidably mounted at the position, close to the edge grinding mechanism, of the frame body, the feeding frame is fixedly connected with the frame body through bolts, at least two rotating wheels are rotatably mounted on the feeding frame, and the connecting line of the rotating wheels on the feeding frame is parallel to the middle symmetrical face of the frame body. And a pushing plate which is in close contact with the grinding belt is mounted on the feeding frame.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight trimming equipment, in particular to an arc trimming machine for backlights. Background Art

[0002] The four sides of the backlight are designed with curved edges, because the four edges of the pure right-angled rectangular backlight are prone to form bright lines, resulting in the visual effect of high-brightness "white lines" on the four sides of the display. The curved edge design can prevent light from gathering at the edges of the four sides and forming "white lines".

[0003] For example, a Chinese utility model patent discloses a backlight structure with a retaining wall provided with an arc structure and an LCD display screen including the same (publication (announcement) number CN219435181U), wherein the backlight structure includes a plastic iron frame and a retaining wall, wherein the plastic iron frame and the retaining wall are integrally formed, wherein the retaining wall includes an arc structure, which is arranged on the inner side of the retaining wall, and the arc of the arc structure is 1-1.5Rad, and the thickness of the arc structure is 0.2mm. Designing the inner side of the backlight retaining wall as an arc structure can effectively reduce the occurrence of extrusion damage to the TFT glass due to improper operation during the backlight disassembly process.

[0004] After the production of the backlight, there are uneven protrusions or burrs on the curved edges. Such backlights are often directly scrapped as defective products, or are directly reused after manual trimming.

[0005] A Chinese utility model patent discloses a glass trimmer (publication (announcement) number CN220051942U), including a base, a first guide assembly, a second guide assembly and a blade assembly; the base is provided with a first guide assembly arranged relatively along the Z-axis direction, the first guide assembly can be clamped on the end face of the glass and move relative to the glass in the X-axis direction; the base is provided with a second guide assembly arranged relatively along the X-axis direction, there is a clamping space between the second guide assemblies with two ends communicating along the Y-axis direction of the glass, the second guide assembly presses against the side of the glass and moves relative to the glass in the X-axis direction; the blade assembly is located in the clamping space and is arranged in the middle of the base along the Y-axis direction, the blade assembly can move relative to the glass in the X-axis direction and can rotate around the Z-axis, and the angle between the blade assembly and its forward direction is less than or equal to 90°. The trimming force and angle are consistent during trimming, which solves the problem of trimming residue.

[0006] However, when the inventors implemented this device, they found the following defects: the above-mentioned glass trimmer is only suitable for trimming straight-edge glass, while the trimming of the curved edges of the backlight components currently relies mostly on manual grinding, and the manual operation efficiency is low, which affects the trimming efficiency of the curved edges of the backlight components. Utility Model Content

[0007] Based on this, it is necessary to provide a backlight arc trimming machine to address the above technical problems, so as to achieve arc trimming of the backlight through mechanical equipment, reduce the amount of manual operation and improve processing efficiency.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0009] The invention discloses a curved edge trimming machine for a backlight component, which is used for the curved edge trimming processing of the backlight component.

[0010] The arc trimming machine of the backlight specifically comprises:

[0011] A frame, wherein the frame is a rectangular frame;

[0012] The edge grinding mechanism is symmetrically arranged on both sides of the frame; the edge grinding mechanism comprises a plurality of rotating wheels rotatably mounted on the frame, a grinding belt sleeved on the rotating wheels, and an arc-shaped recess is provided on the grinding belt; a driving motor is installed on the frame to provide power for the rotation of one group of rotating wheels;

[0013] A push frame is slidably mounted on the frame body; the push frame is used to push the backlight component to feed between the two edge grinding mechanisms.

[0014] As a preferred embodiment of the arc trimming machine for backlight components provided by the utility model, a feed frame is slidably installed on the frame body near the edge grinding mechanism, and the feed frame is fixedly connected to the frame body by bolts. At least two rotating wheels are rotatably installed on the feed frame, and the center line of the two rotating wheels on the feed frame is parallel to the middle symmetry plane of the frame body; a push plate in close contact with the grinding belt is installed on the feed frame.

[0015] As a preferred embodiment of the arc trimmer for the backlight provided by the utility model, an adjustment component is installed on the frame near the edge grinding mechanism, and the adjustment component includes an internal threaded barrel, an adjustment rod screwed in the internal threaded barrel and a rotating arm hingedly installed on the frame, the internal threaded barrel is hinged to the frame, the adjustment rod is hinged to the rotating arm, and an adjustment wheel that is in close contact with the grinding belt is rotatably installed on the rotating arm.

[0016] As a preferred embodiment of the arc trimmer of the backlight component provided by the utility model, a sliding rod is fixedly installed on the push frame, and the sliding rod can be slidably installed on the frame body, and a tension spring is sleeved on the sliding rod; one end of the tension spring is fixedly connected to the frame body, and the other end of the tension spring is fixedly connected to the push frame.

[0017] As a preferred embodiment of the arc trimmer of the backlight component provided by the utility model, a limiting rod is slidably installed on the bottom of the frame, one end of the limiting rod is in close contact with the sliding rod, and the other end of the limiting rod is provided with a pressing button portion; a spring is sleeved on the limiting rod, one end of the spring is connected to the frame, and the other end of the spring is connected to the pressing button portion.

[0018] As a preferred embodiment of the arc trimmer of the backlight provided by the utility model, finger grips are installed on both sides of the frame.

[0019] As a preferred embodiment of the arc trimmer for backlight provided by the utility model, a handle is fixedly mounted on the push frame.

[0020] As a preferred embodiment of the arc trimmer of the backlight provided by the utility model, a cover is installed on the push frame, and a U-shaped cavity is provided on the cover; further, the U-shaped cavity fits the shape of the backlight.

[0021] As a preferred embodiment of the arc trimmer for backlight components provided by the utility model, two guide rods are installed on the push frame, and the guide rods can be slidably installed on the frame body; further, the push frame is provided with a slide groove that fits with the guide rods.

[0022] As a preferred embodiment of the arc trimming machine for backlight components provided by the utility model, a plurality of groups of rollers are rotatably mounted on the frame, and the outer walls of the rollers are covered with a rubber layer.

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] The arc trimming machine for a backlight provided by the utility model places the backlight horizontally on a frame, pushes the push frame, and the backlight is pushed between two edge grinding mechanisms. The driving motor is started, and the driving motor drives the rotating wheel to rotate. The arc-shaped recessed portion on the grinding belt contacts the edge of the backlight, and the grinding belt grinds the edge of the backlight into an arc shape. The arc trimming process of the backlight is achieved through mechanical equipment, which reduces the amount of manual operation and improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0027] Figure 2 A schematic diagram of the rear-view plane structure provided by the utility model;

[0028] Figure 3 for Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0029] Figure 4 for Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0030] The markings in the figure are as follows: 1. frame; 2. rotating wheel; 3. grinding belt; 4. arc-shaped recess; 5. driving motor; 6. push frame; 7. feed frame; 8. push plate; 9. internal threaded cylinder; 10. adjustment rod; 11. rotating arm; 12. adjusting wheel; 13. sliding rod; 14. tension spring; 15. limit rod; 16. push button; 17. spring; 18. finger grip; 19. handle; 20. cover; 21. U-shaped cavity; 22. guide rod; 23. roller. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0032] A glass trimmer as described in the background technology; the glass trimmer is only suitable for trimming straight-edge glass, while the trimming of the curved edges of backlight components currently relies mostly on manual grinding, and the manual operation efficiency is low, which affects the trimming efficiency of the curved edges of backlight components.

[0033] In order to solve this technical problem, the utility model provides a curved edge trimming machine for a backlight component, which is used for grinding the curved edge of the backlight component.

[0034] Specifically, please refer to Figure 1-4 The arc trimming machine for backlight components specifically includes: a frame 1, which is a rectangular frame; edge grinding mechanisms symmetrically arranged on both sides of the frame 1; the edge grinding mechanisms include a plurality of rotating wheels 2 rotatably mounted on the frame 1, a grinding belt 3 sleeved on the rotating wheel 2, and an arc-shaped recess 4 is provided on the grinding belt 3; a driving motor 5 for providing power for the rotation of one group of rotating wheels 2 is installed on the frame 1; a push frame 6, which is slidably mounted on the frame 1; the push frame 6 is used to push the backlight component to feed between the two edge grinding mechanisms.

[0035] The arc trimming machine for backlight provided by the utility model places the backlight horizontally on a frame 1, pushes a push frame 6, and pushes the backlight between two edge grinding mechanisms, starts a driving motor 5, drives a rotating wheel 2 to rotate, and an arc-shaped recess 4 on a grinding belt 3 contacts the edge of the backlight, and the grinding belt 3 grinds the edge of the backlight into an arc shape, and the arc trimming process of the backlight is realized by mechanical equipment, thereby reducing the amount of manual operation and improving the processing efficiency.

[0036] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] Example 1

[0040] Please refer to Figure 1-4 A curved trimming machine for backlight components, comprising a frame 1, the frame 1 being a rectangular frame; edge grinding mechanisms symmetrically arranged on both sides of the frame 1; the edge grinding mechanisms comprising a plurality of rotating wheels 2 rotatably mounted on the frame 1, a grinding belt 3 sleeved on the rotating wheels 2, and an arc-shaped recess 4 being provided on the grinding belt 3; a driving motor 5 providing power for the rotation of one group of rotating wheels 2 is mounted on the frame 1; a push frame 6 is slidably mounted on the frame 1; the push frame 6 is used to push the backlight component to be fed between the two edge grinding mechanisms; a feed frame 7 is slidably mounted on the frame 1 near the edge grinding mechanism, and the feed frame 7 is connected to the frame by bolts. 1 is fixedly connected, at least two rotating wheels 2 are rotatably mounted on the feed frame 7, and the center line of the two rotating wheels 2 on the feed frame 7 is parallel to the middle symmetry plane of the frame body 1; a push plate 8 in close contact with the grinding belt 3 is mounted on the feed frame 7; an adjustment assembly is installed on the frame body 1 near the edge grinding mechanism, and the adjustment assembly includes an internal threaded barrel 9, an adjustment rod 10 screwed in the internal threaded barrel 9, and a rotating arm 11 hingedly mounted on the frame body 1, the internal threaded barrel 9 is hinged to the frame body 1, the adjustment rod 10 is hinged to the rotating arm 11, and an adjustment wheel 12 in close contact with the grinding belt 3 is rotatably mounted on the rotating arm 11.

[0041] The arc trimming machine for the backlight provided in the present embodiment adjusts the spacing between the two feed racks 7 on the two edge grinding mechanisms so that the spacing between the two feed racks 7 is adapted to the width of the backlight, thereby making the arc-shaped recessed portion 4 of the grinding belt 3 in close contact with the arc-shaped edge of the backlight, so as to meet the arc-shaped edge grinding processing requirements for backlights with multiple widths. By rotating the adjusting rod 10, the elongated length of the adjusting rod 10 from the internal threaded tube 9 changes, so that the adjusting wheel 12 is in close contact with the grinding belt 3, so as to ensure that the grinding belt 3 is always in a relaxed state after the feed rack 7 is adjusted, so as to ensure smooth grinding of the arc-shaped edge of the backlight, reduce the wheel-off rate of the grinding belt 3 at the rotating wheel 2, and improve the grinding efficiency.

[0042] Example 2

[0043] The arc trimming machine of the backlight provided in Example 1 is further optimized, specifically, as follows Figure 1-3 As shown, a slide rod 13 is fixedly installed on the push frame 6, and the slide rod 13 can be slidably installed on the frame body 1. A tension spring 14 is sleeved on the slide rod 13; one end of the tension spring 14 is fixedly connected to the frame body 1, and the other end of the tension spring 14 is fixedly connected to the push frame 6.

[0044] The arc trimmer of the backlight component provided in this embodiment pulls the push frame 6 to move to the side away from the frame body 1, so that the tension spring 14 is in a stretched state, and the backlight component is placed on the frame body 1, and the push frame 6 is released. The tension spring 14 pulls the push frame 6 towards the two edge grinding mechanisms under its own elastic reset action. There is no need for manual application of thrust to the push frame 6 all the time, thereby realizing automatic feeding of the backlight component to the two edge grinding mechanisms, further reducing the amount of manual operation and improving ease of use.

[0045] Example 3

[0046] The arc trimming machine of the backlight provided in Example 2 is further optimized, such as Figure 2-3 As shown, a limiting rod 15 can be slidably installed at the bottom of the frame 1, one end of the limiting rod 15 is in close contact with the sliding rod 13, and the other end of the limiting rod 15 is provided with a pressing button 16; a spring 17 is sleeved on the limiting rod 15, one end of the spring 17 is connected to the frame 1, and the other end of the spring 17 is connected to the pressing button 16.

[0047] In the arc trimming machine for the backlight provided in the present embodiment, the operator holds the frame 1 with one hand, and the palm of the hand contacts the push button portion 16. The palm of the hand applies force to the push button portion 16, so that the limit rod 15 contacts the outer wall of the slide bar 13, and the sliding feed speed of the slide bar 13 is limited, thereby adaptively adjusting the feed speed of the backlight to the two edge grinding mechanisms to avoid the backlight feeding speed being too fast and affecting the grinding effect of the arc edge of the backlight. The spring 17 can cause the limit rod 15 to reset itself after the palm of the hand is released from the force on the push button portion 16, so as to release the sliding restriction of the limit rod 15 on the slide bar 13.

[0048] Specifically, finger grips 18 are installed on both sides of the frame 1; the finger grips 18 make it easy for an operator to grip the frame 1, and the shape of the finger grips 18 fits the operator's fingers, which can improve the operator's grip comfort of the frame 1.

[0049] Specifically, a handle 19 is fixedly mounted on the push frame 6 ; by pulling the handle 19 , the handle 19 can provide a better force application point for the operator, which can facilitate the operator to push and pull the push frame 6 .

[0050] Specifically, a cover 20 is installed on the push frame 6, and a U-shaped cavity 21 is provided on the cover 20; further, the U-shaped cavity 21 matches the shape of the backlight; the backlight is placed in the U-shaped cavity 21 on the cover 20, and under the action of the cover 20, the backlight can be completely pressed onto the frame 1 to prevent the backlight from warping up from the frame 1 during the arc edge grinding process, and the feeding direction of the backlight is limited to ensure that the backlight accurately enters between the two edge grinding mechanisms to ensure the grinding accuracy of the arc edge of the backlight.

[0051] Specifically, two guide rods 22 are installed on the push frame 6, and the guide rods 22 can be slidably installed on the frame body 1; further, a slide groove that fits with the guide rods 22 is provided on the push frame 6; through the guide rods 22, the feeding stability of the push frame 6 can be further improved, and the push frame 6 can be prevented from rotating around the slide rod 13, so as to ensure that the push frame 6 can smoothly push the backlight component.

[0052] Specifically, a plurality of groups of rollers 23 are rotatably mounted on the frame 1, and the outer walls of the rollers 23 are coated with a rubber layer; further, a rubber layer is adhered to the inner wall of the U-shaped cavity 21 in the cover 20; the friction between the frame 1 and the backlight can be reduced through the rollers 23, and the rubber layer can achieve flexible contact between the backlight and the rollers 23 and the inner wall of the U-shaped cavity 21, thereby avoiding scratches on the backlight during the polishing process.

[0053] The use process of the arc trimmer of the backlight provided by the utility model is as follows: the operator holds the finger gripping parts 18 on both sides of the frame 1 with one hand, and pulls the handle 19 with the other hand to move the push frame 6 away from the edge grinding mechanism, and applies force to the pressing button part 16 with the palm of the hand, so that the limiting rod 15 limits the sliding rod 13, places the backlight on the roller 23, and inserts one end of the backlight into the U-shaped cavity 21, releases the force on the pressing button part 16, and the tension spring 14 contracts, and the push frame 6 pushes the backlight to between the two edge grinding mechanisms, and the edge grinding process can be performed on the edges of both sides of the backlight through the edge grinding mechanism.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A curved trimming machine for a backlight, characterized in that: It includes A frame (1), wherein the frame (1) is a rectangular frame; An edge grinding mechanism is symmetrically arranged on both sides of a frame (1); the edge grinding mechanism comprises a plurality of rotating wheels (2) rotatably mounted on the frame (1), a grinding belt (3) sleeved on the rotating wheels (2), and an arc-shaped recess (4) is provided on the grinding belt (3); a driving motor (5) is mounted on the frame (1) to provide power for the rotation of one group of the rotating wheels (2); A push frame (6) is slidably mounted on the frame body (1); the push frame (6) is used to push the backlight component to feed between the two edge grinding mechanisms.

2. The arc trimming machine for backlight according to claim 1, characterized in that: A feed frame (7) is slidably mounted on the frame body (1) near the edge grinding mechanism. The feed frame (7) is fixedly connected to the frame body (1) by bolts. At least two rotating wheels (2) are rotatably mounted on the feed frame (7). The center line of the two rotating wheels (2) on the feed frame (7) is parallel to the middle symmetry plane of the frame body (1). A push plate (8) in close contact with the grinding belt (3) is mounted on the feed frame (7).

3. The arc trimming machine for backlight according to claim 2, characterized in that: An adjustment assembly is installed on the frame (1) near the edge grinding mechanism, and the adjustment assembly comprises an internal threaded tube (9), an adjustment rod (10) screwed into the internal threaded tube (9), and a rotating arm (11) hingedly installed on the frame (1); the internal threaded tube (9) is hingedly connected to the frame (1), the adjustment rod (10) is hingedly connected to the rotating arm (11), and an adjustment wheel (12) that is in close contact with the grinding belt (3) is rotatably installed on the rotating arm (11).

4. The arc trimming machine for backlight according to claim 1, characterized in that: A slide rod (13) is fixedly mounted on the push frame (6), and the slide rod (13) can be slidably mounted on the frame body (1). A tension spring (14) is sleeved on the slide rod (13); one end of the tension spring (14) is fixedly connected to the frame body (1), and the other end of the tension spring (14) is fixedly connected to the push frame (6).

5. The arc trimming machine for backlight according to claim 4, characterized in that: A limiting rod (15) is slidably mounted at the bottom of the frame (1), one end of the limiting rod (15) is in close contact with the sliding rod (13), and the other end of the limiting rod (15) is provided with a pressing button (16); a spring (17) is sleeved on the limiting rod (15), one end of the spring (17) is connected to the frame (1), and the other end of the spring (17) is connected to the pressing button (16).

6. The arc trimming machine for backlight according to claim 5, characterized in that: Finger gripping portions (18) are installed on both sides of the frame (1).

7. The arc trimming machine for backlight according to claim 6, characterized in that: A handle (19) is fixedly mounted on the push frame (6).

8. The arc trimming machine for backlight according to claim 1, characterized in that: A cover (20) is installed on the push frame (6), and a U-shaped cavity (21) is provided on the cover (20).

9. The arc trimming machine for backlight according to claim 4, characterized in that: Two guide rods (22) are installed on the push frame (6), and the guide rods (22) can be slidably installed on the frame body (1).

10. The arc trimming machine for backlight according to claim 1, characterized in that: A plurality of groups of rollers (23) are rotatably mounted on the frame (1), and the outer walls of the rollers (23) are coated with a rubber layer.

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